Snowboard highback binding



FIG. 1 is a top perspective view of a snowboard highback binding showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side view thereof; and

FIG. 7 is a right side view with respect to FIG. 1.

The bottom of the device is unornamented. 

The ornamental design for a snowboard highback binding, as shown and described. 